CVE-2024-56328
Last modified
CVE-2024-56328 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by posting a maliciously crafted onebox url. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by posting a maliciously crafted onebox url. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP, disable inline Oneboxes globally, or allow specific domains for Oneboxing.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Discourse | Discourse | < 3.3.3 | — |
| Discourse | Discourse | < 3.4.0 | — |
| Discourse | Discourse | 3.4.0 | Beta1 |
References
- https://github.com/discourse/discourse/security/advisories/GHSA-j855-mhxj-x6vgThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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